/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.guvnor.asset.management.client.editors.repository.wizard;

import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.List;
import javax.enterprise.event.Event;

import org.uberfire.client.callbacks.Callback;
import org.uberfire.ext.widgets.core.client.wizards.Wizard;
import org.uberfire.ext.widgets.core.client.wizards.WizardPage;
import org.uberfire.ext.widgets.core.client.wizards.WizardPageStatusChangeEvent;
import org.uberfire.workbench.events.NotificationEvent;

import static org.junit.Assert.*;

public class WizardTestUtils {

    public static void assertPageComplete( final boolean expectedResult, WizardPage page ) {
        page.isComplete( new Callback<Boolean>() {
            @Override public void callback( Boolean result ) {
                assertEquals( expectedResult, result );
            }
        } );
    }

    public static void assertWizardComplete( final boolean expectedResult, Wizard wizard ) {
        wizard.isComplete( new Callback<Boolean>() {
            @Override public void callback( Boolean result ) {
                assertEquals( expectedResult, result );
            }
        } );
    }

    public static class WizardPageStatusChangeEventMock implements Event<WizardPageStatusChangeEvent> {

        protected List<WizardPageStatusChangeHandler> eventHandlers = new ArrayList<WizardPageStatusChangeHandler>(  );

        @Override
        public void fire( WizardPageStatusChangeEvent wizardPageStatusChangeEvent ) {
            for ( WizardPageStatusChangeHandler eventHandler : eventHandlers ) {
                eventHandler.handleEvent( wizardPageStatusChangeEvent );
            }
        }

        @Override
        public Event<WizardPageStatusChangeEvent> select( Annotation... annotations ) {
            return null;
        }

        @Override
        public <U extends WizardPageStatusChangeEvent> Event<U> select( Class<U> aClass, Annotation... annotations ) {
            return null;
        }

        public void addEventHandler( WizardPageStatusChangeHandler eventHandler ) {
            eventHandlers.add( eventHandler );
        }

    }

    public interface WizardPageStatusChangeHandler {

        void handleEvent( WizardPageStatusChangeEvent event );

    }

    public static class NotificationEventMock implements Event<NotificationEvent> {

        protected List<NotificationEventHandler> eventHandlers = new ArrayList<NotificationEventHandler>(  );

        @Override
        public void fire( NotificationEvent notificationEvent ) {
            for ( NotificationEventHandler eventHandler : eventHandlers ) {
                eventHandler.handleEvent( notificationEvent );
            }
        }

        @Override
        public Event<NotificationEvent> select( Annotation... annotations ) {
            return null;
        }

        @Override
        public <U extends NotificationEvent> Event<U> select( Class<U> aClass, Annotation... annotations ) {
            return null;
        }

        public void addEventHandler( NotificationEventHandler eventHandler ) {
            eventHandlers.add( eventHandler );
        }

    }

    public interface NotificationEventHandler {

        void handleEvent( NotificationEvent notificationEvent );

    }

}
